Module Specs Type: Fabric Switching Engine Model: MX9116n Internal Ports: 16 x 25GbE Uplink Ports: 2 x 100GbE QSFP28, 2 x 100GbE/8 x 32G FC Expansion Ports: 12 x QSFP28-DD (support 2x100GbE, 2x40GbE, 8x25GbE, 8x10GbE) Latency: < 450ns Switching Fabric: 6.4 Tbps Form Factor: PowerEdge MX7000 Fabric A/B Slot Supported Modes: Open Networking, Full Switch, SmartFabric Operating Systems: OS10 Enterprise or ONIE-compatible 3rd Party OS NVMe Support: NVMe over Fabric Ready Part Number: RFX85 The Dell EMC MX9116n is a high-performance, low-latency 25GbE Fabric Switching Engine purpose-built for the PowerEdge MX platform. It features 16 internal 25GbE ports, 4 external 100GbE uplink ports, and 12 QSFP28-DD expansion ports with support for breakout configurations including 100GbE, 40GbE, 25GbE, and 10GbE. Ideal for scalable data centers and high-density environments, the MX9116n enables non-blocking, line-rate L2/L3 forwarding, SmartFabric automation, and support for NVMe over Fabrics. Its Open Networking capabilities offer flexibility with OS10 or 3rd party OS installations via ONIE, ensuring adaptability and performance with minimal TCO.